A flash parody of Windows XP. I personally liked this one the most.
Originally uploaded to Newgrounds on 2006-12-02, but was later deleted by the author from there on 2019-06-10 according to Newgrounds' eulogy page. This version is obtained from MostPlays.
Original creator's description (this was changed to "Removed" somewhere later, but not actually deleted until 2019):
This is a Windows Emulator that I decided to make. It took me a few weeks to make. Please make sure that you try both user names and all of the content to get all of the jokes!
Please leave any comments and if I get positive comments I might make a Vista emulator or add to this one!
If you go to My Computer, selecting the D: drive, and respond to the BSOD there as a Limited user, the wallpaper will revert to that of the Admin account. (I originally thought the parody would be stuck in "C:/INVALID FILE NAME" screen, at that point I was supposed to right click and select Play (Ruffle on IA did not yet support playback controls like play/rewind/forward/back at the time of this upload) to get the power button to restart, but turns out pressing a button on keyboard also does the job.)